It's summer, and I've talked before about how to plan for the unstructured time of the summer months. A scholar needs time to play in two particular senses; time completely away from work, and time for the scholarly imagination itself to run freely, to explore new possibilities unrelated to current projects. Both sorts of play should be actively scheduled in the form of vacations (weeks or months), weekends (days), and particular times of the day.
If you don't actually schedule play, you will sit around the house or let yourself be consumed by household repairs.
For me, going to Spain provides a good opportunity for relaxing. I usually have one or two business things to do there, like the dissertation defense I'm on for my next trip. I also like hitting the bookstores and buying books I want or need. The rest of the time is seeing friends, eating good food and drinking good wine, and traveling. After a trip like this, the work goes much better.